Fuel FragranceBanana Scented4 oz. BottleSafe for All Internal Combustion Engines, Injectors, Carburetors, Oxygen Sensors & Catalytic Converters Go bananas for JEGS Banana Fuel Fragrance, this highly concentrated 4 oz. bottle is safe for all internal combustion engines and will replace horrid exhaust fumes with an exotic banana scent.Usage:Gasoline -1/3 to 1/4 oz. per gallonMethanol - 1/8 to 1/16 oz. per gallon Diesel fuel -1/2 to 1/4 oz. per gallon